How I use preg_match in PHP? I don't know how to work the construction of the expressions.

Answer 1

Hello, Gabriel Felix dos Santos !
https://stackoverflow.com/questions/8751809/regular-expression-preg-match-match-anything

https://www.guru99.com/php-regular-expressions.html

http://php.net/manual/ru/function.preg-match

Answer 2

Thanks Alexander Sokolov